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A161397 a(n) = the smallest positive integer that contains the same number of (non-leading) 0's as n when a(n) and n are written in binary, is not coprime to n, and is not a divisor of n. 2
6, 15, 10, 30, 14, 63, 18, 12, 4, 55, 9, 247, 6, 63, 34, 85, 8, 57, 8, 9, 4, 253, 18, 10, 4, 6, 10, 1015, 14, 1023, 66, 36, 16, 20, 16, 185, 8, 9, 16, 205, 8, 215, 8, 10, 4, 14335, 33, 35, 8, 9, 8, 159, 4, 30, 18, 9, 4, 767, 9, 4087, 6, 15, 130, 80, 32, 201, 32, 33, 16, 213, 32, 730 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

H. v. Eitzen, Table of n, a(n) for n = 2..10000.

CROSSREFS

Cf. A145257, A161396.

Sequence in context: A123623 A240990 A215739 * A145257 A245200 A070555

Adjacent sequences:  A161394 A161395 A161396 * A161398 A161399 A161400

KEYWORD

base,nonn

AUTHOR

Leroy Quet, Jun 09 2009

EXTENSIONS

a(1) is undefined; offset corrected by Hagen von Eitzen, Jun 20 2009

Corrected and extended using terms from b-file. - N. J. A. Sloane, Aug 31 2009

STATUS

approved

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Last modified July 25 03:32 EDT 2021. Contains 346282 sequences. (Running on oeis4.)